// Copyright 2013 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package adwords.axis.v201302.adwordsforvideo;

import com.google.api.ads.adwords.axis.factory.AdWordsServices;
import com.google.api.ads.adwords.axis.v201302.cm.Operator;
import com.google.api.ads.adwords.axis.v201302.video.CallToAction;
import com.google.api.ads.adwords.axis.v201302.video.CallToActionCreative;
import com.google.api.ads.adwords.axis.v201302.video.VideoCallToAction;
import com.google.api.ads.adwords.axis.v201302.video.VideoCallToActionOperation;
import com.google.api.ads.adwords.axis.v201302.video.VideoReturnValue;
import com.google.api.ads.adwords.axis.v201302.video.VideoServiceInterface;
import com.google.api.ads.adwords.axis.v201302.video.YouTubeVideo;
import com.google.api.ads.adwords.lib.client.AdWordsSession;
import com.google.api.ads.common.lib.auth.OfflineCredentials;
import com.google.api.ads.common.lib.auth.OfflineCredentials.Api;
import com.google.api.client.auth.oauth2.Credential;

/**
 * This example illustrates how to create a video call to action overlay.
 *
 * Credentials and properties in {@code fromFile()} are pulled from the
 * "ads.properties" file. See README for more info.
 *
 * Tags: VideoService.mutate
 *
 * Category: adx-exclude
 *
 * @author Takeshi Hagikura
 */
public class AddVideoCallToAction {

  public static void main(String[] args) throws Exception {
    // Generate a refreshable OAuth2 credential similar to a ClientLogin token
    // and can be used in place of a service account.
    Credential oAuth2Credential = new OfflineCredentials.Builder()
        .forApi(Api.ADWORDS)
        .fromFile()
        .build()
        .generateCredential();

    // Construct an AdWordsSession.
    AdWordsSession session = new AdWordsSession.Builder()
        .fromFile()
        .withOAuth2Credential(oAuth2Credential)
        .build();

    AdWordsServices adWordsServices = new AdWordsServices();

    String videoId = "INSERT_VIDEO_ID_HERE";

    runExample(adWordsServices, session, videoId);
  }

  public static void runExample(
      AdWordsServices adWordsServices, AdWordsSession session, String videoId) throws Exception {

    // Get the VideoService.
    VideoServiceInterface videoService =
        adWordsServices.get(session, VideoServiceInterface.class);

    VideoCallToAction videoCallToAction = new VideoCallToAction();
    videoCallToAction.setId(videoId);
    CallToAction callToAction = new CallToAction();
    CallToActionCreative callToActionCreative = new CallToActionCreative();
    callToActionCreative.setHeadline("Mars cruise");
    callToActionCreative.setDescriptionLine1("Astonishing views");
    callToActionCreative.setDescriptionLine2("Mild climate");
    callToActionCreative.setDisplayUrl("www.example.com/mars");
    callToActionCreative.setDestinationUrl("www.example.com/mars");
    callToAction.setCreative(callToActionCreative);
    videoCallToAction.setCallToAction(callToAction);

    VideoCallToActionOperation operation = new VideoCallToActionOperation();
    operation.setOperand(videoCallToAction);
    operation.setOperator(Operator.ADD);

    VideoCallToActionOperation[] operations = new VideoCallToActionOperation[] {operation};

    // Add video call to action.
    VideoReturnValue result = videoService.mutateCallToAction(operations);

    if (result != null && result.getValue() != null) {
      for (YouTubeVideo youTubeVideo : result.getValue()) {
        System.out.println("CallToAction overlay was added to video ID \""
            + youTubeVideo.getId() + "\",  headline \""
            + youTubeVideo.getCallToAction().getCreative().getHeadline() + "\" .");
      }
    } else {
      System.out.println("No call to action overlays were added.");
    }
  }
}
